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Announcing Nix-manipulator (Nima): structured edits for Nix that keep formatting - NixOS Discourse (discourse.nixos.org)

submitted 1 month ago by ruffsl@programming.dev to c/nix@programming.dev

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[–] ruffsl@programming.dev 6 points 1 month ago (2 children)

@onlinepersona@programming.dev , this could be really useful for advancing programmatic mutation of pre-existing nix config files using graphical installers and user administ ration tools, like with SnowflakeOS:

https://programming.dev/comment/18873914

[–] onlinepersona@programming.dev 4 points 1 month ago

Wow, that's awesome. Hopefully that can breathe some new life into SnowflakeOS! My attempts at manipulating nix code went through a nix parser that I can't remember the name of. That's when I found (or came up with? dunno) the importJson function. But this could be cleaner and more reviewable + definitely allows for things like function calls to take advantage of the "JSON on steroids" aspect the author mentioned.

Thanks for sharing 🙏

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[–] balsoft@lemmy.ml 4 points 1 month ago

What I'm really excited about is automatically editing Nixpkgs meta attrs, e.g. to implement https://github.com/NixOS/rfcs/blob/master/rfcs/0180-broken-package-removal.md